Refer to the Following

Multiple Choice

refer to the following:
A forecaster used the regression equation

and quarterly sales data for 1993I-2010IV (t = 1, ..., 64) for an appliance manufacturer to obtain the results shown below. Q is quarterly sales, and D₁, D₂and D₃are dummy variables for quarters I, II, and III.

-Using the estimation results given above, the predicted level of sales in 2011III is _______ units.

A) 141.5
B) 156
C) 172
D) 173.5
E) none of the above